100809980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{122939}}^1$

素因数の和:122989

約数の個数: 24

約数和(自身を含む): 216866160

約数和(自身を除く): 116056180

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 122939, 245878, 491756, 614695, 1229390, 2458780, 5040499, 10080998, 20161996, 25202495, 50404990, 100809980]

約数ペア:

[(1, 100809980), (2, 50404990), (4, 25202495), (5, 20161996), (10, 10080998), (20, 5040499), (41, 2458780), (82, 1229390), (164, 614695), (205, 491756), (410, 245878), (820, 122939)]